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Sahay Sir > Question Answers > NCERT Class 10 > Maths > Chapter 6 - Triangles > A girl of height 90 cm is walking away from the base of a lamp – post at a speed of 1.2 m/s. If the lamp is 3.6 m above the ground, find the length of her shadow after 4 seconds.

A girl of height 90 cm is walking away from the base of a lamp – post at a speed of 1.2 m/s. If the lamp is 3.6 m above the ground, find the length of her shadow after 4 seconds.

A girl of height 90 cm is walking away from the base of a lamp - post at a speed of 1.2 m/s. If the lamp is 3.6 m above the ground find the length of her shadow after 4 seconds.